Commit 557abbd6 authored by Lu Baolu's avatar Lu Baolu Committed by Joerg Roedel
Browse files

iommu/vt-d: Remove unused fields in svm structures 



They aren't used anywhere. Remove them to avoid dead code.

Reviewed-by: default avatarKevin Tian <kevin.tian@intel.com>
Signed-off-by: default avatarLu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20230109014955.147068-3-baolu.lu@linux.intel.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent d82e6ae6

drivers/iommu/intel/iommu.h

+0 −4
Original line number Diff line number Diff line
@@ -762,18 +762,14 @@ struct intel_svm_dev { 
	struct device *dev;

	struct intel_iommu *iommu;

	struct iommu_sva sva;

	u32 pasid;

	int users;

	u16 did;

	u16 dev_iotlb:1;

	u16 sid, qdep;

};



struct intel_svm {

	struct mmu_notifier notifier;

	struct mm_struct *mm;



	unsigned int flags;

	u32 pasid;

	struct list_head devs;

};

drivers/iommu/intel/svm.c

+0 −2
Original line number Diff line number Diff line
@@ -351,11 +351,9 @@ static struct iommu_sva *intel_svm_bind_mm(struct intel_iommu *iommu, 
	sdev->did = FLPT_DEFAULT_DID;

	sdev->sid = PCI_DEVID(info->bus, info->devfn);

	sdev->users = 1;

	sdev->pasid = svm->pasid;

	sdev->sva.dev = dev;

	init_rcu_head(&sdev->rcu);

	if (info->ats_enabled) {

		sdev->dev_iotlb = 1;

		sdev->qdep = info->ats_qdep;

		if (sdev->qdep >= QI_DEV_EIOTLB_MAX_INVS)

			sdev->qdep = 0;